package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.ListableBeanFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 分类管理
 */
@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 添加分类
     * @param category
     * @return
     */
    @PostMapping
    public R save(@RequestBody Category category){
        log.info("新增分类,category={}",category);
        categoryService.save(category);
        return R.success();
    }

    /**
     * 分页查询
     * @param page
     * @param pagesize
     * @return
     */
    @GetMapping("/page")
    public R<Page<Category>> page(@RequestParam(required = false,defaultValue = "1")Integer page,
                                  @RequestParam(required = false,defaultValue = "10")Integer pagesize){
        //构造分页条件
        Page<Category> pageInfo = new Page<>(page,pagesize);

        //构造排序条件
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.orderByAsc(Category::getSort);

        //执行分页查询,返回数据
        categoryService.page(pageInfo,lambdaQueryWrapper);
        return R.success(pageInfo);
    }

    /**
     * 根据id删除分类
     * @param id
     * @return
     */
    @DeleteMapping("/{id}")
    public R delete(@PathVariable Long id){
        log.info("删除分类,id为:{}",id);
        //categoryService.removeById(id);
        categoryService.deleteCategory(id);
        return R.success("分类信息删除成功");
    }

    /**
     * 根据ID查询
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<Category> getById(@PathVariable Long id){
        Category category = categoryService.getById(id);
        if (category!=null){
            return R.success(category);
        }
        return R.error("没有查询到对应的分类信息");
    }

    /**
     * 更新
     * @param category
     * @return
     */
    @PutMapping
    public R update(@RequestBody Category category){
        log.info("修改分类数据,category={}",category);
        categoryService.updateById(category);
        return R.success(category);
    }

    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);
        return R.success(list);
    }
}
